About the SLI-80HS Integrated Amplifier
For over a decade, the SLI-80 has reigned supreme as the ultimate choice for discerning audiophiles seeking a vacuum tube-integrated amplifier blending power and aesthetics. Whether you crave pure Class A performance at 40 watts per channel or robust Class AB output at 80 watts per channel, the SLI-80HS envelops you in a mesmerizing soundscape of rich tones and deep bass. With endless tube rolling possibilities, tailor your listening experience to suit you.
Prepare to be captivated as the SLI-80HS effortlessly exceeds expectations, surpassing the performance of many separates. Its global bestseller status speaks volumes, a testament to its unrivaled quality. Elevate your setup with customizable wood side panels from Klipsch, a collaboration to match their Heritage Series loudspeakers perfectly, for a gorgeous aesthetic pleasing to the eye and the ear.
The Klipsch wood side panels, offered in Black Ash, Cherry, and Walnut, are additional accessories. Also, a removable cage cover is available at an extra cost. Contact your dealer or distributor to include these upgrades with your unit, or you can order them directly from our Cary Store.
The following section describes the SLI-80HS basic specifications. The specifications are subject to change without notice or obligation.
| Circuit Type | Push-Pull Ultra-Linear Amplification Pure Class AB1 |
| Power Output | 40 watts/channel – Triode 80 watts/channel – Ultra-Linear |
| Tube Complement | 2 – 6922 Input Buffer Preamp 2 – 6SN7 Pre-Driver/Phase Inverter 4 – KT88 Output Tubes (or 6550, EL34, 6CA7, KT77, KT90, KT120) |
| Input Sensitivity | .45 volts for full output |
| Input Impedance | 100,000 ohms |
| Noise and Hum | 82dB below rated output |
| Frequency Response | 19Hz to 23KHz +/- .5 dB at full power output |
| Output Taps | 8 Ohms, 4 Ohms |
| Maximum Gain | 34dB |
| Power Consumption | 166 watts – Operation 83 watts – Standby |
| Inputs | 3 Pairs Single-ended RCA |
| Outputs | 1 Pair Speaker Posts (Switch for 4 and 8 Ohm Selectable) 1 Pair RCA for Subwoofer, ¼” Headphone |
| Output Polarity | Non-Inverting (any input) |
| Warn-Up Time | Approximately 3 minutes |
| Break-In Period | 100 hours of music playing time |
| Finish | Black Powder Coated Matte Chassis with Silver or Black Aluminum Faceplate and Knobs |
| Weight | 42 lbs. |
| Dimensions | 7″ H x 17″ W x 16″ D |